Lp balok = 2(pl + pt + lt)
Lp kubus = 6r²
Lp balok = Lp kubus
2(pl + pt + lt) = 6r²
2(8 x 8 + 8t + 8t) = 6 x 12²
2(64 + 16t) = 864
128 + 32t = 864
32t = 864 – 128
32t = 736
t = 736/32
t = 23 cm
Semoga membantu ya kak
Lp balok = 2(pl + pt + lt)
Lp kubus = 6r²
Lp balok = Lp kubus
2(pl + pt + lt) = 6r²
2(8 x 8 + 8t + 8t) = 6 x 12²
2(64 + 16t) = 864
128 + 32t = 864
32t = 864 – 128
32t = 736
t = 736/32
t = 23 cm
Semoga membantu ya kak